St Charles Weather Forecast

    • 60
    • 90

    Increasing Clouds

    • 60
    • 88

    Partly Sunny

    • 59
    • 83

    Slight Chance Thunderstorms

    • 58
    • 82

    Chance Thunderstorms

    • 56
    • 81

    Slight Chance Thunderstorms

    • 55
    • 83

    Partly Sunny

Today 27 May Cuming

Sunny, hot with Highs around 90. South Winds around 5 Mph, becoming southeast this afternoon.

Tonight 27 May Cuming

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 60. Southeast Winds 5 to 10 Mph.

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St Charles Temperature Statistics

May Temperature

Fremont Municipal Airport (26.1 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    60.4 °F

  • Highest 15 May, 2026

    91.9 °F

Climate (2021–Present)

Fremont Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    65 °F
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